#55BFEB#55BFEB

#55BFEB is a light, moderate cyan. Relative luminance 0.452; OKLCH L 76.0% C 0.115 H 228.5°. Best body text is #000000 at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#55BFEB
RGB	rgb(85, 191, 235)
HSL	hsl(198, 79%, 63%)
HSV	hsv(198, 64%, 92%)
CMYK	cmyk(63.8%, 18.7%, 0%, 7.8%)
CIE-LAB	lab(73.02, -17.40, -30.92)
CIE-LCH	lch(73.02, 35.48, 240.63°)
OKLab	oklab(76.01% -0.0765 -0.0864)
OKLCH	oklch(76.01% 0.115 228.5)
XYZ	xyz(37.3666, 45.1872, 85.3339)
Luminance	0.4519 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55BFEB #EB8155

analogous

#55EBCC #55BFEB #5574EB

triadic

#55BFEB #EB55BF #BFEB55

tetradic

#55BFEB #CC55EB #EB8155 #74EB55

square

#55BFEB #CC55EB #EB8155 #74EB55

split-complementary

#55BFEB #EB5574 #EBCC55

monochromatic

#1583B1 #1EAAE5 #55BFEB #8CD4F1 #C3E8F8

Accessibility & contrast

On white

2.09

#55BFEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.04

#55BFEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55BFEB

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55BFEB	#FFFFFF	#000000	##000000
##55BFEB	1.00	2.09	10.04	10.04
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.04	21.00	1.00	1.00
##000000	10.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8BCED

Deuteranopia (green-blind)

#93ACEA

Tritanopia (blue-blind)

#00CBCD

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #55bfeb;
/* rgb */ color: rgb(85, 191, 235);
/* oklch */ color: oklch(76.0% 0.115 228.5);

Tailwind

colors: {
  custom: {
    50: '#93d2f1',
    500: '#55bfeb',
    950: '#000000',
  },
}

SCSS

$custom: #55bfeb;
$custom-light: #93d2f1;
$custom-dark: #000000;

JSON

{
  "hex": "#55bfeb",
  "rgb": {
    "r": 85,
    "g": 191,
    "b": 235
  },
  "hsl": {
    "h": 197.6,
    "s": 78.947,
    "l": 62.745
  },
  "oklch": {
    "l": 0.76009,
    "c": 0.11542,
    "h": 228.5
  },
  "luminance": 0.45191
}

Semantic roles & 50–950 ramp

primary

#55BFEB

secondary

#E9C3B3

accent

#480ADB

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #55BFEB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →